function positionX(e) {
		  if (!e) e = event;
		  return (navigator.appName.substring(0,3) == "Net") ? e.pageX : event.x+document.body.scrollLeft;
		}

		function positionY(e) {
		  if (!e) e = event;
		  return (navigator.appName.substring(0,3) == "Net") ? e.pageY : event.y+document.body.scrollTop;
		}

		function showlegende(objet,id)
		{
		  document.getElementById("legende"+id).style.left = positionX(objet);
		  document.getElementById("legende"+id).style.top  = positionY(objet);
		  document.getElementById("legende"+id).style.display = "block";
		}

		function hidelegende(id)
		{
		  document.getElementById("legende"+id).style.display = "none";
		}

		function masqueServices()
		{
		  document.getElementById('menuserv').style.display='none';
		}

		function masqueCatalogue()
		{
		  document.getElementById('menuprod').style.display='none';
		}

		function afficheServices()
		{
		  document.getElementById('menuserv').style.display='block';
		}

		function afficheCatalogue()
		{
		  document.getElementById('menuprod').style.display='block';
		}

		function surligne()
		{
		
		}
		
		function toggle(menuid) {
		
		if (document.getElementById("smenu"+menuid)){
		
		  var element = document.getElementById("smenu"+menuid);
		  if (element.style.display == 'block')
			element.style.display = 'none';
		  else element.style.display = 'block';
		  }
		  }